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Add experimental implementation of ALTER TABLE DROP COLUMN. Only some cases work so far.

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FossilOrigin-Name: f0217937d7306fb595727e61e871e8b03d8c881d339a0865bfd0117d90d42e4e
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dan
2021-02-16 20:43:36 +00:00
parent 33941691a5
commit 6e6d9833cc
7 changed files with 332 additions and 26 deletions
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src/sqliteInt.h
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@@ -4531,6 +4531,7 @@ void sqlite3MaterializeView(Parse*, Table*, Expr*, ExprList*,Expr*,int);
#endif
int sqlite3JoinType(Parse*, Token*, Token*, Token*);
int sqlite3ColumnIndex(Table *pTab, const char *zCol);
void sqlite3SetJoinExpr(Expr*,int);
void sqlite3CreateForeignKey(Parse*, ExprList*, Token*, ExprList*, int);
void sqlite3DeferForeignKey(Parse*, int);
@@ -4715,6 +4716,7 @@ int sqlite3ResolveOrderGroupBy(Parse*, Select*, ExprList*, const char*);
void sqlite3ColumnDefault(Vdbe *, Table *, int, int);
void sqlite3AlterFinishAddColumn(Parse *, Token *);
void sqlite3AlterBeginAddColumn(Parse *, SrcList *);
void sqlite3AlterDropColumn(Parse*, SrcList*, Token*);
void *sqlite3RenameTokenMap(Parse*, void*, Token*);
void sqlite3RenameTokenRemap(Parse*, void *pTo, void *pFrom);
void sqlite3RenameExprUnmap(Parse*, Expr*);